Originally Posted by slide13

It works and works pretty well. It isn't the prettiest group nor the lightest, but functionally it isn't too bad. It won't have the smoothness and precision of Ultegra but it will get the chain onto the right cog for you just fine. Only other big downside is the position of the thumb button such that you can't hit it from the drops. That means you have to go up to the hoods to do your shifting. Too bad since if they had positioned it just a half inch or so closer to the bar it would have worked great (like Campy does).